Hitachi seawall technology closes automatically in tsunami

Japanese dam builder, Hitachi Zosen, developed a brilliant sea water barrier that deploys automatically when tsunami waves hurl towards shorelines. The technology, Neo Rise, consists of air-powered flapgates that sit at the bottom of harbors and react to major changes in sea level. Its floodgate (a giant wall to shield the land) is set up on shore and runs on hydraulic power. It can also be operated manually, just in case.

Gosh, it sure is nice to see a company develop proactive solutions to potential disasters, eh BP?